生活是一段旅程，每一次经历都是一堂课。
Life is a journey, and every experience is a lesson.
You must not think that what is hard for you to master is humanly impossible； and if it is humanly possible， consider it to be within your reach.
真相常常隐藏在阴影中，找到它需要勇气。
定义就是限制。